Fix bug where ball could be thrown twice with rapid button presses

rust/src/player/mod.rs

@@ -130,6 +130,7 @@ impl<T: IPlayer + ICharacterBody3D + WithBaseField> PlayerCommon for T {
         if let Some(weapon) = self.get_weapon()
             && let Ok(_) = weapon.try_cast::<BallWeapon>()
         {
+            self.swap_weapon(WeaponType::Raygun, false);
             self.run_deferred(move |s| {
                 if let Some(game) = Game::singleton()
                     && let Some(player) = game.bind().find_player(s.get_player_id().unwrap_or(0))